857566920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1020913}}^1$

素因数の和:1020934

約数の個数: 64

約数和(自身を含む): 2940232320

約数和(自身を除く): 2082665400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1020913, 2041826, 3062739, 4083652, 5104565, 6125478, 7146391, 8167304, 10209130, 12250956, 14292782, 15313695, 20418260, 21439173, 24501912, 28585564, 30627390, 35731955, 40836520, 42878346, 57171128, 61254780, 71463910, 85756692, 107195865, 122509560, 142927820, 171513384, 214391730, 285855640, 428783460, 857566920]

約数ペア:

[(1, 857566920), (2, 428783460), (3, 285855640), (4, 214391730), (5, 171513384), (6, 142927820), (7, 122509560), (8, 107195865), (10, 85756692), (12, 71463910), (14, 61254780), (15, 57171128), (20, 42878346), (21, 40836520), (24, 35731955), (28, 30627390), (30, 28585564), (35, 24501912), (40, 21439173), (42, 20418260), (56, 15313695), (60, 14292782), (70, 12250956), (84, 10209130), (105, 8167304), (120, 7146391), (140, 6125478), (168, 5104565), (210, 4083652), (280, 3062739), (420, 2041826), (840, 1020913)]